Q: Is 4,225,421 a Prime Number?
A: No, 4,225,421 is not a prime number.
A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 4225421 can be evenly divided by 1 859 4,919 and 4,225,421, with no remainder.
Since 4,225,421 cannot be divided by just 1 and 4,225,421, it is not a prime number.